diff --git a/app/src/main/java/io/legado/app/help/CacheManager.kt b/app/src/main/java/io/legado/app/help/CacheManager.kt
index eb11ed826..53039d4cc 100644
--- a/app/src/main/java/io/legado/app/help/CacheManager.kt
+++ b/app/src/main/java/io/legado/app/help/CacheManager.kt
@@ -3,6 +3,7 @@ package io.legado.app.help
 import io.legado.app.App
 import io.legado.app.data.entities.Cache
 
+@Suppress("unused")
 object CacheManager {
 
     /**